A replaceable device designed to remove dust, pollen or other foreign matter from the air passing through it. The removal of particles is accomplished by porous, fibrous or shredded material (metallic or non-metallic) which is loosely woven or matted, the shape of which may be maintained by stiffening or binding material. It is designed to fit into a filter element, air conditioning or for direct application to air conditioners, ventilation systems, hot air furnaces, and electrical and electronic equipment which have retaining devices. It may be furnished in custom size form or in a continuous length. Excludes filtering pad, air cooler; and filtering roll, air conditioning. Excludes bulk materials not specifically designed for filtering. See also insulation blanket, thermal; plastic material, cellular; rubber sheet, cellular.
NSN 6240-01-468-6408
NSN 5996-01-334-8675
NSN 6130-00-058-0611
NSN 7035-01-183-1989
NSN 4140-00-371-2269
NSN 5960-01-039-0093
NSN 5985-00-919-2936
NSN 5920-01-162-4299
NSN 6645-00-801-0950
NSN 5835-00-233-6327
NSN 5999-00-324-2981
NSN 5895-01-475-7065